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    Rotor and IPM motor
    3.
    发明授权
    Rotor and IPM motor 有权
    转子和IPM电机

    公开(公告)号：US08729763B2

    公开(公告)日：2014-05-20

    申请号：US13809910

    申请日：2010-07-23

    申请人： Tomonari Kogure ,  Hiroko Kurihara

    发明人： Tomonari Kogure ,  Hiroko Kurihara

    IPC分类号： H02K21/12

    CPC分类号： H02K1/274 ,  H02K1/2766 ,  H02K2213/03

    摘要： Disclosed are a rotor and an IPM motor capable of avoiding concentration of flux on a corner area of a magnet on the stator side, leading to reduction in demagnetizing field and accordingly reduction in a required coercive force, and reduction in the usage amount of dysprosium or the like and accordingly reduction in manufacturing cost. In a slot bored in a rotor core of a rotor making up a motor, at least one of a slot face on a center side of the rotor core and a slot face facing this slot face is formed a protrusion or a concave groove and the magnet to be inserted in the slot includes at least one of a concave groove and a protrusion to be engaged with the protrusion or the concave groove of the slot face at a position corresponding to the protrusion or the concave groove formed in the slot. Then, these concave groove and protrusion are engaged to form an engagement part. This engagement part aligns and fixes the magnet in the rotor, and a flux barrier is formed between a lateral side face of the magnet and a slot face, the flux barrier having a same thickness as a thickness of the magnet.

    摘要翻译： 公开了一种转子和IPM电动机，其能够避免在定子侧的磁体的角落区域上的磁通集中，导致退磁场的减少，从而减少所需的矫顽力，并减少镝的使用量或 相应地降低制造成本。 在构成电动机的转子的转子芯中钻孔的槽中，转子铁心的中心侧的槽面和面向该槽面的槽面中的至少一个形成有突起或凹槽，并且磁铁 插入槽中包括凹槽和突起中的至少一个，以与形成在槽中的突起或凹槽对应的位置与槽面的突起或凹槽接合。 然后，这些凹槽和突起接合以形成接合部。 该接合部将磁体对准和固定在转子中，并且在磁体的侧面和槽面之间形成磁通屏障，磁通屏障具有与磁体厚度相同的厚度。

    ROTOR AND IPM MOTOR
    4.
    发明申请
    ROTOR AND IPM MOTOR 有权
    转子和IPM电机

    公开(公告)号：US20130113328A1

    公开(公告)日：2013-05-09

    申请号：US13809910

    申请日：2010-07-23

    申请人： Tomonari Kogure ,  Hiroko Kurihara

    发明人： Tomonari Kogure ,  Hiroko Kurihara

    IPC分类号： H02K1/27

    CPC分类号： H02K1/274 ,  H02K1/2766 ,  H02K2213/03

    摘要： Disclosed are a rotor and an IPM motor capable of avoiding concentration of flux on a corner area of a magnet on the stator side, leading to reduction in demagnetizing field and accordingly reduction in a required coercive force, and reduction in the usage amount of dysprosium or the like and accordingly reduction in manufacturing cost. In a slot bored in a rotor core of a rotor making up a motor, at at least one of a slot face on a center side of the rotor core and a slot face facing this slot face is formed a protrusion or a concave groove, and the magnet to be inserted in the slot includes at least one of a concave groove and a protrusion to be engaged with the protrusion or the concave groove of the slot face at a position corresponding to the protrusion or the concave groove formed in the slot. Then, these concave groove and protrusion are engaged to form an engagement part. This engagement part aligns and fixes the magnet in the rotor, and a flux barrier is formed between a lateral side face of the magnet and a slot face, the flux harrier having a same thickness as a thickness of the magnet.

    摘要翻译： 公开了一种转子和IPM电动机，其能够避免在定子侧的磁体的角落区域上的磁通集中，导致退磁场的减少，从而减少所需的矫顽力，并减少镝的使用量或 相应地降低制造成本。 在构成电动机的转子的转子芯中钻孔的槽中，在转子铁心的中心侧的槽面和面向该槽面的槽面中的至少一个上形成有突起或凹槽， 要插入槽中的磁体包括与形成在槽中的突起或凹槽相对应的位置处与槽面的突起或凹槽接合的凹槽和突起中的至少一个。 然后，这些凹槽和突起接合以形成接合部。 该接合部将磁体对准和固定在转子中，并且在磁体的侧面和槽面之间形成磁通屏障，磁通束具有与磁体厚度相同的厚度。